Update the "\Flight\SoundList.ini" file with the following settings. Check to make sure there are no duplicates in the file and if not, add the following into your "Flight\SoundList.ini" file. Remember to change ###, in sequence, to numbers listed in your "\Flight\SoundList.ini" file. 

--------------------------------------------------------

SoundFile###=BK-27
SoundFile###=EF2000Engine
SoundFile###=EF2000Burner
SoundFile###=EF2000Damage
SoundFile###=EF2000Airbrakes
SoundFile###=EF2000Flaps
SoundFile###=EF2000Gear

[BK-27]
Priority=NORMAL
Looped=TRUE
NumBuffers=4
3DSound=TRUE
DopplerEffect=FALSE
MaxDist=2000.000000
MinDist=100.000000
InsideConeAngle=330
OutsideConeAngle=330
ConeOutsideVolume=98

[EF2000Engine]
Priority=NORMAL
3DSound=TRUE
DopplerEffect=TRUE
Looped=TRUE
FrequencyControl=TRUE
NumBuffers=3
MaxDist=1500.000000
MinDist=100.000000
InsideConeAngle=60
OutsideConeAngle=180
ConeOutsideVolume=90

[EF2000Burner]
Priority=NORMAL
3DSound=TRUE
DopplerEffect=TRUE
Looped=TRUE
NumBuffers=3
MaxDist=2000.000000
MinDist=100.000000
InsideConeAngle=60
OutsideConeAngle=90
ConeOutsideVolume=40

[EF2000Damage]
Priority=NORMAL
3DSound=TRUE
DopplerEffect=TRUE
Looped=TRUE
NumBuffers=3
MaxDist=2000.000000
MinDist=100.000000
InsideConeAngle=60
OutsideConeAngle=90
ConeOutsideVolume=40

[EF2000Airbrakes]
Priority=NORMAL
3DSound=TRUE
DopplerEffect=FALSE
Looped=FALSE
NumBuffers=1
MaxDist=100.000000
MinDist=50.000000
InsideConeAngle=360
OutsideConeAngle=360
ConeOutsideVolume=100

[EF2000Flaps]
Priority=NORMAL
3DSound=TRUE
DopplerEffect=FALSE
Looped=FALSE
NumBuffers=1
MaxDist=100.000000
MinDist=50.000000
InsideConeAngle=360
OutsideConeAngle=360
ConeOutsideVolume=100

[EF2000Gear]
Priority=NORMAL
3DSound=TRUE
DopplerEffect=FALSE
Looped=FALSE
NumBuffers=1
MaxDist=100.000000
MinDist=50.000000
InsideConeAngle=360
OutsideConeAngle=360
ConeOutsideVolume=100